Fastening inserting and trimming machine



y 1932- R. B. WOODCOCK 1,859,421

I FASTENING INSERTING AND TRIMMING' MACHINE Filed Feb. 7, 1951 2Sheets-Sheet 1 //Vl/EN TUEL May 24, 1932. R. B. WOODCOCK FASIIEININGvINSERTING AND TRIMMING MACHINE Filled Feb. 7, 1951 2 Sheets-Sheet 2Patented May 24, 1932 UNITED STATES PATENT OFFICE REGINALD BOYDWOODCOCK, F LEICESTER, ENGLAND, ASSIGNOR TO UNITED SHOE MACHINERYCORPORATION, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEYFASTENING INSERTING- Am TRIMMING MACHINE J Application filed February 7,1931, Serial No. 514,215, and in Great Britain March 15, 1930.

shoes and at the same time trimming surplus material from the marginalportions of the.

soles, although it is to be recognized that the invention may beembodied in machines for use in performing other operations.

Machines are well known for inserting nailsaround the heel ends of thesoles of shoes to secure the outsoles to the insoles and overlastedportions of the shoe uppers and simultaneously to trim the surplusmaterial from the marginal portions of the'outsoles thus reducing theoutsoles substantially to the desired outline at their heel seats.Mechanism for carrying out this dual operation is disclosed for examplein Letters Patent of the United States No. 1,139,727, granted May 18,1915, on an application of William T. B. Roberts. The spacing ofmetallic nails inserted in the heel seats of shoes is ordinarily aboutthree-eighths of an inch. Any distance much greater would result ininsufiicient fastenings' while any distance much less would causeunnecessaryand objectionable metal to be put into the shoe. The trimmingmechanism of the Roberts patent above referred to was developedparticularly for embodiment in fastening inserting machines of the typedisclosed in Letters Patent of the United States No. 490,624, grantedJanuary 24, 1893, on an application of Louis Goddu, in which the work isfed step by step by means of an awl, one step corresponding to each nailinserted. After each step of feeding movement the sole portion of theshoe is forced upwardly against the pressure plate or abutment of themachine while a nail is driven. The result of feeding the work in thisway has been to cause the trimmed edge of the sole to take the form of abroken line, simulating a portion of the periphery of a many sidedpolygon, rather than a smooth curve following the outline of the heelend of the last on which the shoe is made. This necessitates eitherfurther trimming of the edge of the sole or heavy scouring in laterstages of the manufacture of the shoe.

It is an object of the present invention to provide an improvedfastening inserting and trimming machine adapted for use in attachmgsoles to shoes which will accomplish more accurate trimming ofthe solethan that outlined above. Accordingly, the oscillating knife of theillustrated machine, which constitutes a preferred embodiment of-theinvention, is arranged to make a plurality of oscillations between theinsertion of each two successive fastenings, thus. causing the perlpheryto which the sole is trimmed to approach sufficiently close to a smoothcurve to obviate all practical difiiculties on'that score.

With the above objects and features in I indicating the relationto eachother of the fastening inserting and the trimming operations.

The fastening inserting mechanism of the illustrated machine is of thecharacter disclosed in the above-identified Goddu Patent No. 490,624 towhich reference may be had for a full disclosure of such portions of themachine as it has been found necessary to illustrate and describeherein. This machine which is well known to shoe manufacturers and andis commonly spoken of as a loose nailing machine is provided with astationary head 10 mounted on a suitable column 12 (Fig. 2) and havingbearings for a main cam shaft 14 (Fig. 1) upon which are mounted camsoperating many of the moving parts of the machine. Mounted foroscillating movement about the cam shaft 14 substantially at the frontof the machine is a swinging head 16 having sliding'contact withsupporting hearings or brackets 18 carried by the stationary head 10 andengaging the peripheral portion of the swinging head 16. Mounted forvertical reciprocating movement in the swinging head 16 is a driver bar20 having a driver 22 secured to its lower end and an awl bar 24 to thelower end of which is clamped an awl 26. The driver bar 20 with thedriver 22 and the awl bar 24 with the awl 26 are reciprocated verticallyin proper timed relation once during each cycle of operations of themachine and the head 16 is oscillated about the cam shaft 14 once duringeach cycle of operations so that the awl 26, after it has been thrustinto the'work piece, illustrated as a shoe 28 having an insole 30'towhich an outsole 32 is being attached by nails 34 inserted adjacent tothe periphery ofthe heel seat portion of the sole, feeds the work piecebetween the insertion of the different fastenings. As illustrated, theshoe 28 is carried by a work supportorjack 86, the sole' of the shoebeing forced upwardly by suitable pressure applying mechanism of awellknown character against the presser plate or abutment 38 of themachine at the time each fastening is inserted, and released during thefeeding movements. As is usual in machines of this character nails arefed from .a suitable hopper down a raceway 40, a separator 42 (Fig. 1)being provided at the lower end of the raceway 40 to control thetransfer of fastenings from the raceway 40 to the driver passage of athroat member 44. The separator 42 of the machine illustrated in theGoddu Patent No. 490,624 is reciprocated transversely of the racewayonce during each cycle of operation of the machine, thereby transferringa'nail to the driver passage so that a nail is inserted in each awl holeafter the awl has been withdrawn at the conclusion of the feedingportion of its cycle.

The illustrated machine is provided with an oscillating knife 50 fortrimming surplus material from the peripheral portion of the sole, theknife 50 being operated constantly by mechanism of the characterdisclosed in the above-identified Roberts Patent No. 1,139,727. Asdescribed more fully in that patent the knife 50 is oscillated with ashaft 52 by mechanism indicated herein generally at 54, suitableadjusting means for the knife being provided as disclosed in detail inthe Roberts patent. The knife 50 cooperates with-a shear plate 56carried by the presser plate or abutment 38, cutting the sole with ashearing action. Preferably a gage 58 is provided adjacent to theoscillating knife 50 in position to engage the shoe upper adjacent tothe sole thereby controlling the position of the trimming cut and thewidth of the extension left upon the sole. In the illustrated machine,as in the machine of the Roberts patent, .the knife 50 is constantlyoperated when the machine is in operation.

In order, in accordance with the present invention, to obtain morefeeding steps than there are fastenings inserted, the separator 42 isreciprocated only once in a plurality of cycles of operation of themachine, as illustrated once in two cycles. For this purpose a cam 60(Fig. 1), mounted on a shaft 62 carried by a bracket 64 secured to thehead 10 of the machine, is rotated by a gearing 66, 68, once duringevery two rotations of the cam shaft 14. Suitable connections areprovided between the cam 60 and the separator 42 including a lever 72fulcrumed at 74 to the head 10 of the machine and carrying at its lowerend the separator 42. A spring 76 tends to forcethe upperendvof thelever. 72 rear- Wardly thereby thrusting theseparator 42 forwardly.Secured to the upper end of the lever 72 is an extension 78 which bearsagainst a push rod 80 the rear end of which engages a socket in anarm-82 pivoted at 84 to the head 10. This arm 82 carries a roll 86contacting with the cam 60. The form of the cam 60 is such that withthis arrangement the separator lever 7 2 is rocked to cause theseparator 42 to transfer a nail from theraceway 40 to the driver passageonly in alternatecycles of operation of the machine.

In Fig. 1 the machine parts are shown in the positions they occupy atthe conclusion I of a nail inserting operation. The cam 60 is rotatedinthe direction shown by the arrow in Fig. 1 and during the next cycleofv operation of the machine will not operate the separator lever 72since the portion of the cam from the point shown as engaged bythe roll86 is flat over half its periphery, as far as the point indicated at 88in Fig.1, 3 v

During the following cycle of operation parts of thecamincluding thesloping por- I tions 90, 92, 94 will move the roll86 forwardly and willoperate the separator lever 72 in the normal manner to separate a nailfrom the raceway 40 and to transfer it into the driver passage of thethroat member 44.

The workfeeding mechanism operates in the usual manner, once, for eachrevolution of the main cam shaft 14. \The work is thus fed by the awlthrough two steps between the insertion of successive nails. Themechanism,

indicated generally at 96 (Fig. 1) by which the length of the feedingmovement of the awl 26 is adjusted, is set to give approximately halfthe normal feed, for example threesixteenths of an inch, so thatthenails are spaced the usual distance apart. The awl 26 will of coursemake a hole in the work indicated at 100 (Fig. 3) between each twosuccessive nails 84 but this is of no consequence since the heel seatwill invariably be covered by a heel attached at a later stage in themanufacture of the shoe. Since the awl is not caused to penetrate allthe way through the work there will be no marking of the interior of theshoe at places not occupied by nails.

The reduction of the length of each feeding step applied to the workallows a trimming device of the type disclosed to trim the edge of thesole in what is substantially a smooth curve following the lasted heelseat, while the insertion of a nail only after alternate feeding stepsmaintains the usual spacing of the nails around the heel seat.

Having described my invention, what I claim as new and desireto secureby Letters Patent of the United States is 1. A machine for insertingsole attaching fastenings into shoe parts and for trimming surplusmaterial from the marginal portions thereof having, in combination,fastening-inserting instrumentalities, an oscillating knife for trimmingsurplus material from a shoe part presented to the fastening-insertinginstrumentalities, and means for feeding the work in a plurality ofsteps between the insertion of successive fastenings.

2. A heel seat fastening and trimming machine having, in combination,means for inserting fastenings in the heel seat portion of a shoe tosecure the outsole to the insole and to the overlasted portion of theupper of the shoe, an oscillating knife for trimming surplus materialfrom the marginal portion of the heel seat of the sole of the shoe,means for oscillating the knife, means for feeding the workintermittently past the fastening inserting means, and means foroperating the fastening-inserting means constructed and arranged toinsert only one fastening for a plurality of feeding movements of thework.

3. A machine for driving sole attaching fastenings into the soles ofshoes and for trimming surplus material from the marginal portions ofthe soles of the shoes having, in combination, fastening-drivinginstrumentalities, an oscillating knife for trimming surplus materialfrom the sole of a shoe presented to the machine, means for oscillatingthe knife, means for feeding the work intermittently past theoscillating knife and the fastening driving instrumentalities, saidmeans being constructed and arranged to impart a plurality of feedingmovements to the work between the insertion of successive fastenings.

4. A heel seat nailing and trimming machine having, in combination,means for driving nails into the heel seat portion of a shoe to securethe outsole to the insole and to the overlasted portion of the upper ofthe shoe, an oscillating knife for trimming surplus material from themarginal portion of the heel seat of the sole of the shoe, means foroscillating the knife, an awl for feeding the work to and past the naildriving means, and means for operating the nail-driving meansconstructed and arranged to insert only one nail for two feedingmovements of the awl.

5. A machine for inserting fastenings in and trimming surplus materialfrom shoe parts having, in combination, a throatmemer provided withadriver passage through which to insert fastenings in a work piece prein each cycle of operation and to operate the fastening-supplying meansin only one of several successive cycles of operation of the machine.

I 6. A machine for inserting fastenings and trimming surplus materialfromshoe parts having, in combination, fastening-insertinginstrumentalities including an awl and a fastening-inserting tool, meansfor operating the awl to form fastening-receiving holes in the shoe andto feed it to and past said tool, means for supplying fastenings forinsertion by said tool including a separator constructed and arranged topresent fastenings one by one in the path of said tool, means forreciprocatplus material from one of the shoe parts, and means foroperating the separator to feedfastenings into the path of said toolimmediately prior to only one of several successive strokes of thedriver.

7. A machine for inserting fastenings in and trimming surplus materialfrom shoe parts having, in combination, a throat member provided with adriver passage, a driver reciprocable therethrough to insert fasteningsin a work piece presented to the throat member, a raceway conductingfastenings to the throat member, a separator constructed and arranged tocontrol the passage of fastenings from the raceway to the driverpassage, an awl constructed and arranged to penetrate the work and tofeed the work past the throat member, a knife, arranged to trim thesurplus material from the margin of one of the shoe parts in which thefastenings are inserted, and cyclically operating means for the awl, thedriver, theseparator and the oscillating knife constructed and arrangedto operate the awl once in each cycle of operation and to operate theseparator only in a1- ternate cycles of operation of the machine.

8. A machine for inserting nails in and trimming surplus material fromshoe parts having, in combination, nail-inserting instrumentalitiesincluding an awl and a driver, means for operating the awl to formnailreceiving holes in the shoe and to feed it to and past the driver,means for supplylng nails for insertion by the driver including a ingsaid tool to insert the fastenings in the; shoe parts, an oscillatingknife to trim sur-V raceway and a separator constructed and arranged totransfer fastenings one by one from the raceway into the path of thedriver, means for reciprocating the driver to drive the nails 5 into theshoe parts, an oscillating knife to trim surplus material from one ofthe shoe parts, and means for operating the separator to feed a nailinto the path of the driver immediately prior only to alternate strokesof the driver. v

9. A machine for inserting sole attaching fastenings into shoe parts andfor trimming surplus material from the marginal portions thereof having,in combination, a swinging head, an awl carried by said head andOperating to feed the work upon movement of said head, means operating.to cut away portions of the work during movement thereof as it is fedby the awl, a fastening inserting driver, and means for supplyingfastenings to the driver immediately prior to only one of severalfeeding movements of the awl.

10. A machine for inserting sole attaching fastenings into shoe partsand for trimming surplus material from the marginal portionsthereof'having, in combination, a swinging head, an awl carried by saidhead and operating to feed the work upon movement of said head, meansoperating to cut away portions 80 of the work during movement thereof asit is fed by the awl, a fastening inserting driver, and means forsupplying only one fastening to the driver for a plurality of feedingmovements of the awl.

11. A machine for inserting sole attaching fastenings into shoe partsand for trimming surplus material from themarginal portions thereofhaving, in combination, a swinging head, an awl carried by said head andoperat- 40 mg to feedwork upon movement of said head,

an oscillating knife for trimming surplus material from the work duringmovement thereof as it is fed by the awl, a fastening insert ing driver,means for supplying fastenings for insertion by said driver including aseparator constructed and arranged to present fastenings one by one inthe path of said driver, and means for operating the separator to feed anail into the path of the driver immediately prior only to alternatefeeding movements of the work.

In testimony whereof I have signed my name to this specification.

REGINALD BOYD VOODCOGK.

